* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #e0e0e0;
            background: #0a0a12;
            background-image: 
                radial-gradient(circle at 15% 50%, rgba(30, 15, 60, 0.4) 0%, transparent 20%),
                radial-gradient(circle at 85% 30%, rgba(60, 10, 30, 0.3) 0%, transparent 20%);
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a {
            color: #8a2be2;
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: #c77dff;
            text-shadow: 0 0 8px rgba(199, 125, 255, 0.7);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .site-header {
            padding: 1.5rem 0;
            border-bottom: 1px solid #2a2a3e;
            margin-bottom: 2rem;
            position: sticky;
            top: 0;
            background-color: rgba(10, 10, 18, 0.92);
            backdrop-filter: blur(10px);
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Orbitron', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #8a2be2, #00ffff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .my-logo:hover {
            filter: drop-shadow(0 0 10px rgba(138, 43, 226, 0.5));
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #8a2be2;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #b0b0d0;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
            border: 1px solid transparent;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            color: #ffffff;
            border-color: #8a2be2;
            background: rgba(138, 43, 226, 0.1);
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #888;
            margin-bottom: 2rem;
            border-bottom: 1px dashed #333;
        }
        .breadcrumb a {
            color: #aaa;
        }
        .breadcrumb span {
            color: #8a2be2;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-bottom: 3rem;
        }
        @media (max-width: 1024px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: rgba(20, 20, 35, 0.7);
            border-radius: 12px;
            padding: 2.5rem;
            border: 1px solid #33334d;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }
        h1 {
            font-size: 2.8rem;
            color: #ffffff;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 5px solid #8a2be2;
            padding-left: 1rem;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }
        h2 {
            font-size: 2rem;
            color: #c77dff;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #33334d;
        }
        h3 {
            font-size: 1.6rem;
            color: #a855f7;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #d8b4fe;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .lead {
            font-size: 1.3rem;
            color: #b0b0d0;
            font-weight: 300;
            margin-bottom: 2rem;
            padding: 1rem;
            background: rgba(138, 43, 226, 0.08);
            border-left: 4px solid #8a2be2;
            border-radius: 0 8px 8px 0;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(138, 43, 226, 0.2), transparent);
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid #00ffff;
            margin: 2rem 0;
        }
        .figure-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .figure-container img {
            border-radius: 8px;
            border: 1px solid #444;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.7);
            transition: transform 0.4s ease;
        }
        .figure-container img:hover {
            transform: scale(1.02);
        }
        figcaption {
            font-style: italic;
            color: #aaa;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .update-time {
            display: inline-block;
            background: #2a2a3e;
            color: #00ffff;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .update-time i {
            margin-right: 0.5rem;
        }
        aside {
            background: rgba(25, 25, 40, 0.8);
            border-radius: 12px;
            padding: 2rem;
            border: 1px solid #33334d;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            color: #00ffff;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #444;
        }
        .link-list {
            list-style: none;
        }
        .link-list li {
            margin-bottom: 0.9rem;
            padding-left: 1.2rem;
            position: relative;
        }
        .link-list li:before {
            content: '➤';
            color: #8a2be2;
            position: absolute;
            left: 0;
        }
        .search-form {
            display: flex;
            margin-bottom: 1rem;
        }
        .search-form input {
            flex-grow: 1;
            padding: 0.8rem;
            background: #1a1a2e;
            border: 1px solid #444;
            border-radius: 4px 0 0 4px;
            color: #fff;
        }
        .search-form button {
            background: #8a2be2;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #9d4edd;
        }
        .interactive-section {
            background: rgba(30, 30, 50, 0.7);
            border-radius: 12px;
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid #444;
        }
        .interactive-section h2 {
            color: #00ffff;
            border-bottom-color: #00ffff;
        }
        .rating-form {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin: 1.5rem 0;
            flex-wrap: wrap;
        }
        .stars {
            display: flex;
            gap: 0.3rem;
        }
        .stars input {
            display: none;
        }
        .stars label {
            font-size: 1.8rem;
            color: #555;
            cursor: pointer;
            transition: color 0.2s;
        }
        .stars label:hover,
        .stars label:hover ~ label,
        .stars input:checked ~ label {
            color: #ffd700;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            color: #b0b0d0;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.9rem;
            background: #1a1a2e;
            border: 1px solid #444;
            border-radius: 6px;
            color: #fff;
            font-family: inherit;
            transition: border 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #8a2be2;
            box-shadow: 0 0 0 2px rgba(138, 43, 226, 0.3);
        }
        .submit-btn {
            background: linear-gradient(90deg, #8a2be2, #5a00cc);
            color: white;
            border: none;
            padding: 1rem 2.5rem;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
        }
        .submit-btn:hover {
            background: linear-gradient(90deg, #9d4edd, #6a00ff);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(138, 43, 226, 0.4);
        }
        footer {
            border-top: 1px solid #2a2a3e;
            padding: 3rem 0 2rem;
            margin-top: 3rem;
            text-align: center;
            color: #aaa;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-links a {
            color: #b0b0d0;
        }
        friend-link {
            display: block;
            margin: 1.5rem 0;
            font-size: 1.1rem;
        }
        friend-link a {
            color: #00ffff;
        }
        .copyright {
            font-size: 0.9rem;
            color: #777;
            border-top: 1px dashed #444;
            padding-top: 1.5rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.4s ease-out;
            }
            .main-nav.active {
                max-height: 300px;
                margin-top: 1rem;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                border-bottom: 1px solid #333;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article {
                padding: 1.5rem;
            }
            .content-wrapper {
                gap: 2rem;
            }
        }